KR102471817B1 - Information transmission method and device - Google Patents

Abstract

The present invention provides a method and apparatus for transmitting information, wherein the method includes determining uplink information and/or reference signals to be transmitted; and transmitting the uplink information and/or reference signal to a communication node through a first sequence; includes Through the present invention, a technical scheme is provided for transmitting uplink information using a sequence when transmitting a comb.

Description

Information transmission method and device

The present invention claims the priority of a Chinese patent application with application number 201711271477.3 filed with the Chinese Intellectual Property Office on December 5, 2017, the entire content of which is incorporated herein by reference.

The present invention relates to the field of communication, but is not limited to the field of communication, and particularly relates to a method and apparatus for transmitting information.

The 4th generation mobile communication technology (4G) Long-Term Evolution (LTE) / Long-Term Evolution Advance (LTE-Advance / LTE-A, Long-Term Evolution Advance) and 5th generation mobile communication Demand for technology (5G, the 5th generation mobile communication technology) is gradually increasing. From the current development trend, 4G and 5G systems are exploring the characteristics of supporting enhanced mobile broadband, ultra-high reliability, ultra-low latency transmission and large-scale connectivity.

Among next-generation radio interface (NR) technologies, comb-type transmission is supported in transmission of a physical uplink traffic channel. That is, during transmission, data occupies only odd-numbered or even-numbered subcarriers of the allocated bandwidth. When the bandwidth allocated to the data channel is 1 resource block (referred to as RB and corresponds to 12 subcarriers in the frequency domain) or 3 resource blocks and comb transmission is used, the Sequence lengths are 6 and 18. In addition, a short physical uplink control channel (short PUCCH) agrees to carry and use control information of up to 2 bits in a sequence-based form. Is the duration of short PUCCH ? As a result, a new request for the design of the corresponding sequence was submitted. Therefore, a new sequence design with sequence lengths of 6, 12, 18 and 24 for transmission of uplink control information based on at least a short physical uplink control channel and reference signal based on a comb physical uplink shared channel is urgently needed. It has become a task to be

An embodiment of the present invention provides an information transmission method and apparatus.

According to an embodiment of the present invention, an information transmission method is provided, including determining uplink information and/or reference signals to be transmitted; transmitting the uplink information and/or the reference signal to a communication node through a first sequence; includes

According to another embodiment of the present invention, an information transmission device is provided, and the information transmission device includes: a determining module for determining uplink information and/or a reference signal to be transmitted; and a transmitting module for transmitting the uplink information and/or reference signal to the communication node via the first sequence; includes

According to another embodiment of the present invention, there is further provided a storage medium containing a stored program, wherein the method is executed when the program is executed.

According to another embodiment of the present invention, there is further provided a processor for executing a program, wherein the method is executed when the program is executed.

The present invention transmits uplink information and/or a reference signal to a communication node through a first sequence, and uses the sequence as a reference signal or directly loads uplink information, thereby generating a small cubic metric and power It has the advantage of high amplifier efficiency, and provides a technical scheme for transmitting uplink information using a sequence during comb transmission, thereby reducing inter-cell interference when the sequence index adopted by neighboring cells is different, and improving the overall performance of the system. have more effect.

The drawings described herein are used to aid in the understanding of the present invention and constitute a part of this application. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not inappropriately limit the present invention. The attached drawings are as follows.
1 is a hardware structural block diagram of a mobile terminal in an information transmission method according to an embodiment of the present invention.
2 is a flowchart of an information transmission method according to an embodiment of the present invention.
3 is a structural block diagram of an information transmission device according to an embodiment of the present invention.
4 is a schematic diagram of information transmission according to Embodiment 1 of the present invention;
5 is a schematic diagram of information transmission according to Embodiment 2 of the present invention;
6 is a schematic diagram of information transmission according to Specific Embodiment 3 of the present invention;
7 is a schematic diagram of information transmission according to Specific Embodiment 4 of the present invention;

Hereinafter, the present invention will be described in detail in conjunction with embodiments with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other if they do not conflict.

It should be noted that the terms "first" and "second" in the specification and claims of the present invention and the drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. .

The method embodiments provided by Embodiment 1 of the present invention may be executed in a mobile terminal, a computer terminal, or a similar computing device. 1 is a hardware structural block diagram of a mobile terminal of an information transmission method according to an embodiment of the present invention. As shown in FIG. 1, a mobile terminal 10 includes one or multiple (only one shown in the figure) processors 102, such as a microprocessor (MCU) or a programmable logic device (FPGA). (which may include, but is not limited to, a processing unit), a memory 104 for storing data, and a transmission unit 106 for communication functions. Those skilled in the art can understand that the structure shown in FIG. 1 is only an example and is not a limitation on the structure of the above-described electronic device. For example, the mobile terminal 10 may also include more or fewer components than those shown in FIG. 1, or may have a different configuration than that shown in FIG.

The memory 104 may be used to store software programs and modules of application software, such as program instructions/modules corresponding to information transmission methods in the embodiment of the present invention, and the processor 102 may store software programs stored in the memory 104. and executing various functional applications and data processing by executing the module, that is, implementing the method. Memory 104 may include high-speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid state memory. In some embodiments, memory 104 may further include memory provided remotely to processor 102 , and such remote memory may be coupled to mobile terminal 10 via a network. Examples of such networks may include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.

Transmission device 106 is used to receive or transmit data over a network. A specific example of the network may include a wireless network provided by a communication provider of the mobile terminal 10 . In one embodiment, the transmission device 106 includes a network interface controller (NIC), which is connected to other network devices through a base station to communicate with the Internet. In one embodiment, the transmitting device 106 may be a Radio Frequency (RF) module used to communicate with the Internet in a wireless manner.

The network architecture of the embodiments of the present application includes a terminal and a base station, where the terminal transmits uplink information to the base station.

This embodiment provides an information transmission method implemented in the network architecture, and Fig. 2 is a flowchart of the information transmission method according to an embodiment of the present invention. As shown in Fig. 2, the process includes the following steps: contains:

Step S202, determining uplink information and/or reference signals to be transmitted;

Step S204, transmits uplink information and/or a reference signal to a communication node through a first sequence.

In the above steps, the uplink information and/or reference signal is transmitted to the communication node through the first sequence, and the sequence is used as a reference signal or directly used to load the uplink information, so that a small cubic metric and a high efficiency power amplifier are used. It has the advantage of, and provides a technical solution for transmitting uplink information using a sequence when transmitting a comb. When the sequence indices adopted by neighboring cells are different, there is an effect of reducing inter-cell interference and improving the overall performance of the system.

In some embodiments, an entity performing the above steps may be a terminal, and a communication node may be a base station, but is not limited thereto.

In some embodiments, the uplink information includes at least one of uplink control information and uplink data information. The uplink control information includes hybrid automatic repeat request response (HARQ-ACK) information.

The transmission scheme of this embodiment includes the following three types:

Scheme 1: Uplink information is directly loaded into a sequence and transmitted;

Method 2: Uplink information is loaded into a sequence after being modulated and transmitted, and a reference signal is also loaded into a sequence and transmitted;

Method 3: After the uplink information is modulated and encoded, it is transmitted on a subcarrier corresponding to a corresponding symbol, and a reference signal is loaded into a sequence and transmitted.

A specific example will be described below:

According to one scheme of this embodiment, the step of transmitting uplink information to the communication node through the first sequence is: K1 symbols when the (information) number of uplink information is not greater than 2 (ie less than or equal to) Transmitting one or a plurality of first sequences of length M on L subcarriers of, wherein uplink information is loaded into the first sequence, K1>=1, L is an integer greater than or equal to 2, and M <= L.

According to one scheme of this embodiment, the step of transmitting the uplink information and the reference signal to the communication node through the first sequence is: the uplink information and the reference signal corresponding to the uplink information on L subcarriers of K2 symbols. including sending

In some embodiments, transmitting uplink control information and a reference signal corresponding to the uplink control information on L subcarriers of K2 symbols includes: M of x symbols of K2 symbols through a first sequence having a length of M. transmitting uplink control information modulated with N subcarriers, and transmitting corresponding reference signals to M subcarriers of K2-x symbols through a sequence having a length of M, wherein the M values of the first sequence are It is mapped to M subcarriers, K2>=2, L is an integer greater than or equal to 2, preferably the value of L is 3 or a multiple of 12, M<=L, and 0<x<K2.

In some embodiments, transmitting uplink control information and a reference signal corresponding to the uplink control information on L subcarriers of K2 symbols includes: uplink encoded and modulated on M subcarriers of x symbols among K2 symbols. Transmitting control information and transmitting a reference signal corresponding to M subcarriers of K2-x symbols through a sequence of length M, wherein M values of the sequence are mapped to M subcarriers, and K2> = 2, L is an integer greater than or equal to 2, 0<x<K2, and M<=L.

In some embodiments, the value of L is a multiple of 3 or 12.

According to an approach of this embodiment, the first sequence is a subset of a sequence set of length M, where the sequence set includes 30 sequences, and the 30 sequences are subject to the following conditions: satisfies at least one of:

The different cyclic shifts of each sequence are orthogonal;

The value of the cubic metric (aka cubic metric) (Cubic Metric, abbreviated to CM) of each sequence does not exceed the preset value of the first CM;

The value of the peak-to-average power ratio (PAPR) of each sequence does not exceed the preset value of the first PAPR;

the cross-correlation of any two sequences does not exceed the preset value of the first cross-correlation;

Here, M corresponds to the number of subcarriers used for uplink information or reference signals, and M=6.

은 다음 수학식으로 표시된다:According to one scheme of this embodiment, any one sequence of the sequence set

is represented by the following equation:

의 값은 표1에 표시된 바와 같이 사전 설정된 대응 관계를 이루거나, 또는 표 1의 각 행에 대응되는 시퀀스의 순환 쉬프트에 해당되는데; 시퀀스 인덱스는 단지 상이한 시퀀스를 구별하기 위해 사용되고, i와

의 대응 관계는 표 1에 표시된 것에 한정되지 않음에 유의해야 한다. 예를 들어, 표 1에서 i=0인 경우에 대응되는

은 [1 1 1 -1 -3 -3]이고, i=1인 경우에 대응되는

은 [1 1 1 -1 -3 1]이며, 실제로 i=0 인 경우에 대응되는

가 [1 1 -1 -1 -3 1]이고, i=1인 경우에 대응되는

가 [1 1 1 -1 3 -3]으로 바뀌어도, 이 또한 본 발명의 청구범위에 속하고; 나머지 부분에도 동일하게 적용되며, 더이상 반복하여 설명하지 않는다.where i is the sequence index and n = 0,1,....., L -1, i and

The value of corresponds to a preset correspondence relationship as shown in Table 1, or to a cyclic shift of a sequence corresponding to each row of Table 1; The sequence index is only used to distinguish different sequences, i and

It should be noted that the correspondence of is not limited to that shown in Table 1. For example, in Table 1, corresponding to the case of i = 0

is [1 1 1 -1 -3 -3], corresponding to i = 1

is [1 1 1 -1 -3 1], which actually corresponds to the case of i = 0

is [1 1 -1 -1 -3 1], corresponding to i = 1

is changed to [1 1 1 -1 3 -3], this also belongs to the claims of the present invention; The same applies to the rest, and will not be repeated further.

Here, the preset value of the first CM is 1.2, the preset value of the first PAPR is 3.76, and the preset value of the first cross-correlation is 0.9310.

According to an approach of this embodiment, the first sequence is a subset of a sequence set of length M, where the sequence set includes 14 sequences, and the 14 sequences satisfy at least one of the following conditions:

The different cyclic shifts of each sequence are orthogonal;

The value of the cubic metric (CM) of each sequence does not exceed the preset value of the second CM;

The value of the peak-to-average power ratio (PAPR) of each sequence does not exceed the preset value of the second PAPR;

the cross-correlation of any two sequences does not exceed the preset value of the second cross-correlation;

Here, M corresponds to the number of subcarriers used for uplink information or reference signals, and M=6.

은 다음 수학식으로 표시된다:According to one scheme of this embodiment, any one sequence of the sequence set

is represented by the following equation:

의 값은 표 2에 표시된 바와 같이 사전 설정된 대응 관계를 이루거나, 또는 표 2의 각 행에 대응되는 시퀀스의 순환 쉬프트에 해당되며;where i is the sequence index and n=0,1,......M-1, i and

The value of corresponds to a preset correspondence as shown in Table 2, or a cyclic shift of a sequence corresponding to each row of Table 2;

Here, the preset value of the second CM is 3, the preset value of the second PAPR is 5.3, and the preset value of the second cross-correlation is 0.75.

According to an approach of this embodiment, the first sequence is a subset of a sequence set of length M, where the sequence set includes 14 sequences, and the 14 sequences satisfy at least one of the following conditions:

The different cyclic shifts of each sequence are orthogonal;

The value of the cubic metric (CM) of each sequence does not exceed the preset value of the third CM;

The value of the peak-to-average power ratio (PAPR) of each sequence does not exceed the preset value of the third PAPR;

the cross-correlation of any two sequences does not exceed the preset value of the third cross-correlation;

The cross-correlation of each sequence with a first existing sequence of length 12 (the first existing sequence is distinct from the first sequence, and the existing sequence may be a known or pre-existing sequence) does not exceed a fourth preset value. no;

Here, M corresponds to the number of subcarriers used for uplink information or reference signals.

은 다음 수학식으로 표시된다:According to one scheme of this embodiment, any one sequence of the sequence set

is represented by the following equation:

의 값은 표 3에 표시된 바와 같이 사전 설정된 대응 관계를 이루거나, 또는 표 3의 각 행에 대응되는 시퀀스의 순환 쉬프트에 해당되며;where i is the sequence index and n=0,1,.....,M-1, i and

The value of is in a preset correspondence relationship as shown in Table 3, or corresponds to a cyclic shift of a sequence corresponding to each row in Table 3;

wherein the preset value of the third CM is 2.6, the preset value of the third PAPR is 5, the preset value of the third cross-correlation is 0.8, and the preset value of the fourth cross-correlation is 0.94;

는 다음 수학식으로 표시된다:where the first existing sequence

is represented by the following equation:

의 값은 표 4 또는 표 5에 표시된 바와 같이 사전 설정된 대응 관계를 이루거나, 또는 표 4 또는 표 5의 각 행에 대응되는 시퀀스의 순환 쉬프트에 해당되며;where i is the sequence index and n=0,1,...,11, i and

A value of corresponds to a preset correspondence relationship as shown in Table 4 or Table 5, or a cyclic shift of a sequence corresponding to each row of Table 4 or Table 5;

According to an approach of this embodiment, the first sequence is a subset of a sequence set of length M, where the sequence set includes 30 sequences, and the 30 sequences satisfy at least one of the following conditions:

The different cyclic shifts of each sequence are orthogonal;

The value of the cubic metric (CM) of each sequence does not exceed the preset value of the fourth CM;

The value of the peak-to-average power ratio (PAPR) of each sequence does not exceed the preset value of the fourth PAPR;

the cross-correlation of any two sequences does not exceed the preset value of the fifth cross-correlation;

A cross-correlation between each sequence and a second existing sequence having a length of 12 does not exceed a sixth preset value;

Here, M corresponds to the number of subcarriers used for uplink information or reference signals, and M=12.

은 다음 수학식으로 표시된다:According to one scheme of this embodiment, any one sequence of the sequence set

is represented by the following equation:

의 값은 표 6에 표시된 바와 같이 사전 설정된 대응 관계를 이루거나, 또는 표 6의 각 행에 대응되는 시퀀스의 순환 쉬프트에 해당되며;where i is the sequence index and n=0,1,....M-1, i and

A value of corresponds to a preset correspondence relationship as shown in Table 6, or a cyclic shift of a sequence corresponding to each row of Table 6;

wherein the preset value of the fourth CM is 0.68, the preset value of the fourth PAPR is 2.8, the preset value of the fifth cross-correlation is 0.74, and the preset value of the sixth cross-correlation is 0.825;

은 다음 수학식으로 표시된다:where the second existing sequence

is represented by the following equation:

의 값은 표 6에 표시된 바와 같이 사전 설정된 대응 관계를 이루거나, 또는 표 6의 각 행에 대응되는 시퀀스의 순환 쉬프트에 해당된다.where i is the sequence index and n =0,1,....,11, i and

The value of corresponds to a preset correspondence relationship as shown in Table 6 or to a cyclic shift of a sequence corresponding to each row of Table 6.

According to an approach of this embodiment, the first sequence is a subset of a sequence set of length M, where the sequence set includes 30 sequences, and the 30 sequences satisfy at least one of the following conditions:

The different cyclic shifts of each sequence are orthogonal;

The value of the cubic metric (CM) of each sequence does not exceed the preset value of the fifth CM;

The value of the peak-to-average power ratio (PAPR) of each sequence does not exceed the preset value of the fifth PAPR;

the cross-correlation of any two sequences does not exceed the preset value of the sixth cross-correlation;

A cross-correlation between each sequence and a third existing sequence having a length of 18 does not exceed a seventh preset value;

Here, M corresponds to the number of subcarriers used for uplink information or reference signals, and M=18.

은 다음 수학식으로 표시된다:According to one scheme of this embodiment, any one sequence of the sequence set

is represented by the following equation:

의 값은 표 7에 표시된 바와 같이 사전 설정된 대응 관계를 이루거나, 또는 표 7의 각 행에 대응되는 시퀀스의 순환 쉬프트에 해당되며;where i is the sequence index and n=0,1,....,M-1, i and

The value of corresponds to a preset correspondence relationship as shown in Table 7, or a cyclic shift of a sequence corresponding to each row of Table 7;

wherein the preset value of the fifth CM is 0.6, the preset value of the fourth PAPR is 2.9, the preset value of the sixth cross-correlation is 0.6, and the preset value of the seventh cross-correlation is 0.7;

은 다음 수학식으로 표시된다:where a second existing sequence of length 18

is represented by the following equation:

의 값은 표 8에 표시된 바와 같이 사전 설정된 대응 관계를 이루거나, 또는 표 8의 각 행에 대응되는 시퀀스의 순환 쉬프트에 해당되며;where i is the sequence index and n=0,1,....17, i and

A value of corresponds to a preset correspondence relationship as shown in Table 8, or a cyclic shift of a sequence corresponding to each row of Table 8;

According to an approach of this embodiment, the first sequence is a subset of a sequence set of length M, where the sequence set includes 30 sequences, and the 30 sequences satisfy at least one of the following conditions:

The different cyclic shifts of each sequence are orthogonal;

The value of the cubic metric (CM) of each sequence does not exceed the preset value of the sixth CM;

The value of the peak-to-average power ratio (PAPR) of each sequence does not exceed the preset value of the sixth PAPR;

the cross-correlation of any two sequences does not exceed the preset value of the eighth cross-correlation;

A cross-correlation between each sequence and a fourth existing sequence having a length of 24 does not exceed a ninth preset value;

Here, M corresponds to the number of subcarriers used for uplink information or reference signals, and M=24.

은 다음 수학식으로 표시된다:According to one scheme of this embodiment, any one sequence of the sequence set

is represented by the following equation:

의 값은 표 9에 표시된 바와 같이 사전 설정된 대응 관계를 이루거나, 또는 표 9의 각 행에 대응되는 시퀀스의 순환 쉬프트에 해당되며;where i is the sequence index and n=0,1,....M-1, i and

The value of corresponds to a preset correspondence relationship as shown in Table 9, or a cyclic shift of a sequence corresponding to each row of Table 9;

은 다음 수학식으로 표시된다:wherein the preset value of the fifth CM is 0.64, the preset value of the fourth PAPR is 3.4, the preset value of the sixth cross-correlation is 0.55, and the preset value of the seventh cross-correlation is 0.62; 4th original sequence of 24 people

is represented by the following equation:

의 값은 표 10에 표시된 바와 같이 사전 설정된 대응 관계를 이루거나, 또는 표 10의 각 행에 대응되는 시퀀스의 순환 쉬프트에 해당되며;where i is the sequence index and n=0,1,....,23, i and

The value of is in a preset correspondence relationship as shown in Table 10, or corresponds to a cyclic shift of a sequence corresponding to each row in Table 10;

는 다음 수학식으로 표시된다:

; 여기서

는 순환 쉬프트량이고, 값은

이다.In some embodiments, the cyclic shift in the above implementations

is represented by the following equation:

; here

is the cyclic shift amount, and the value is

to be.

는 기지국의 지시 시그널링에 따라 결정되거나, 또는 시퀀스 인덱스 i와 순환 쉬프트량

는 기지국의 지시 시그널링에 따라 결정된다.In some embodiments, the sequence index i is determined according to the cell identifier, and the cyclic shift amount

Is determined according to the indication signaling of the base station, or the sequence index i and the cyclic shift amount

Is determined according to the indication signaling of the base station.

Through the description of the above embodiment, those skilled in the art can understand that the method according to the above embodiment can be implemented by software and a necessary general hardware platform, and of course can also be implemented by hardware, but in many cases the former is more preferable. It will be clearly understood that it is an embodiment. Based on this understanding, the technical solution of the present invention may be implemented in the form of a software product inherently or contributing to the existing technology, and the computer software product may include a storage medium (eg, ROM/RAM, magnetic disk) , an optical disk), and includes a plurality of instructions to cause a terminal device (which may be a mobile phone, computer, server, network device, etc.) to execute the methods in each embodiment of the present invention.

Example 2

This embodiment further provides an information transmission device, which is a device for implementing the above embodiments and preferred embodiments, and repetitive description of the already described parts will be omitted. For example, the term "module" used below may be a combination of software and/or hardware that performs preset functions. Devices described in the following embodiments are preferably implemented in software, but implementation by hardware or a combination of software and hardware is considered possible.

3 is a structural block diagram of an information transmission device according to an embodiment of the present invention. As shown in FIG. 3, the information transmission device includes:

a decision module 30 for determining uplink information and/or reference signals to be transmitted; and

a transmission module 32 for transmitting uplink information and/or reference signals to a communication node via a first sequence; includes

It should be noted that each of the above modules may be implemented by software or hardware, and in the case of the latter, it may be implemented in the following ways, but is not limited thereto: the modules are all located on the same processor; Alternatively, each of the above modules are each located on different processors in any combination.

Example 3

This embodiment is an optional embodiment according to the present invention, and is used to explain the present invention in detail in combination with specific embodiments:

Specific Example 1

또는 두 개의 시퀀스

및

을 선택한다. 본 실시예에서, 2비트의 HARQ-ACK 정보를 송신해야 한다고 가정하고, 시퀀스 선택기가 하나의 시퀀스

을 출력할 경우, 시퀀스

은 시퀀스

과 사전 정의된 방법에 따라 결정될 것이고, 그렇지 않으면 시퀀스 선택기는 2 개의 시퀀스

및

을 직접 출력한다. 그 다음 상기 시퀀스

및

을 상기 두 심볼에 각각 매핑한다. 여기서 시퀀스

및

의 후보 시퀀스 세트는 시퀀스 세트

중의 시퀀스이며, 여기서 시퀀스

은 다음 수학식을 만족한다:Shown in FIG. 4 is an information transmission method according to a specific embodiment 1 of the present invention. As shown in Fig. 4, HARQ-ACK information is transmitted in two symbols, that is, K=2. When the number of HARQ-ACK information does not exceed 2 bits, the HARQ-ACK information of 1 bit or 2 bits is selected as one sequence through a sequence selector.

or two sequences

and

Choose In this embodiment, it is assumed that 2-bit HARQ-ACK information needs to be transmitted, and the sequence selector is one sequence

, the sequence

silver sequence

and will be determined according to a predefined method, otherwise the sequence selector is two sequences

and

directly outputs Then the above sequence

and

are respectively mapped to the two symbols. sequence here

and

The candidate sequence set of is the sequence set

is a sequence of , where the sequence

satisfies the following equation:

은 사전 결정된 매개 변수이며, i와

의 값은 표 1/2/3/6/7/9에 표시된 것과 같거나 표 1/2/3/6/7/9 중 각 행의 순환 쉬프트와 같다.where i is the sequence index,

is a predetermined parameter, i and

The value of is equal to that shown in Table 1/2/3/6/7/9 or the cyclic shift of each row in Table 1/2/3/6/7/9.

The terminal corresponds to any one of the tables in any one of Tables 1/2/3/6/7/9 (corresponding to the value of i in Tables 1-10, according to the frequency domain resources occupied by the uplink information to be transmitted, (also below) decides which sequence to select. for example,

If it is determined that uplink information to be transmitted occupies 6 subcarriers in the frequency domain, the terminal selects and transmits any one sequence in any one of Tables 1/2/3 (corresponding to the value of i in the table);

If it is determined that the uplink information to be transmitted occupies 12 subcarriers in the frequency domain, the terminal selects and transmits any sequence in Table 6 (corresponding to the value of i in the table);

If it is determined that the uplink information to be transmitted occupies 18 subcarriers in the frequency domain, the terminal selects and transmits any sequence in Table 7 (corresponding to the value of i in the table);

If it is determined that the uplink information to be transmitted occupies 24 subcarriers in the frequency domain, the terminal selects and transmits any sequence in Table 9 (corresponding to the value of i in the table);

는 상기 기지국의 지시 시그널링에 따라 결정되거나, 또는 시퀀스 인덱스 i와 순환 쉬프트량

는 상기 기지국의 지시 시그널링에 따라 결정된다.Here, the sequence index i is determined according to the cell identifier, and the cyclic shift amount

Is determined according to the indication signaling of the base station, or the sequence index i and the cyclic shift amount

Is determined according to the indication signaling of the base station.

Specific Example 2

과 곱해진 후, 업링크 제어 정보의 송신에 사용되는 심볼에 매핑된다. 시퀀스

은 참조 신호를 송신하는데 사용되는 심볼에 직접 매핑된다. 여기서 시퀀스

및 시퀀스

은 동일한 시퀀스 인덱스 i를 갖는 시퀀스이고, 양자는 동일한 순환 쉬프트 또는 상이한 순환 쉬프트를 가질 수 있다. 또한, 상기 시퀀스

및 시퀀스

은 시퀀스 세트

중의 시퀀스이며, 여기서 시퀀스

은 다음 수학식을 만족한다:5 is a schematic diagram of information transmission according to Embodiment 2 of the present invention; As shown in Fig. 5, uplink information is transmitted in two symbols, namely K=2, where the first symbol is used to transmit the reference signal and the second symbol is used to transmit the uplink control information. When the number of uplink control information does not exceed 2 bits, the 1-bit or 2-bit uplink control information is modulated by BPSK or QPSK to obtain a modulated symbol d, and the modulated symbol d is a sequence

After being multiplied by , it is mapped to a symbol used for transmission of uplink control information. sequence

is directly mapped to a symbol used to transmit a reference signal. sequence here

and sequence

is a sequence with the same sequence index i, and both may have the same cyclic shift or different cyclic shifts. Also, the sequence

and sequence

silver sequence set

is a sequence of , where the sequence

satisfies the following equation:

은 사전 결정된 매개 변수이며, i와

의 값은 표 1/2/3/6/7/9에 표시된 것과 같거나 표 1/2/3/6/7/9 중 각 행의 순환 쉬프트와 같다.where i is the sequence index,

is a predetermined parameter, i and

The value of is equal to that shown in Table 1/2/3/6/7/9 or the cyclic shift of each row in Table 1/2/3/6/7/9.

The terminal selects a sequence (corresponding to the value of i in the table) in any one of Tables 1/2/3/6/7/9 according to frequency domain resources occupied by uplink information to be transmitted. decide what to do for example,

If it is determined that uplink information to be transmitted occupies 6 subcarriers in the frequency domain, the terminal selects and transmits any one sequence in any one of Tables 1/2/3 (corresponding to the value of i in the table);

If it is determined that the uplink information to be transmitted occupies 12 subcarriers in the frequency domain, the terminal selects and transmits any sequence in Table 6 (corresponding to the value of i in the table);

If it is determined that the uplink information to be transmitted occupies 18 subcarriers in the frequency domain, the terminal selects and transmits any sequence in Table 7 (corresponding to the value of i in the table);

If it is determined that the uplink information to be transmitted occupies 24 subcarriers in the frequency domain, the terminal selects and transmits any sequence in Table 9 (corresponding to the value of i in the table);

는 상기 기지국의 지시 시그널링에 따라 결정되거나, 또는 시퀀스 인덱스 i와 순환 쉬프트량

는 상기 기지국의 지시 시그널링에 따라 결정된다.Here, the sequence index i is determined according to the cell identifier, and the cyclic shift amount

Is determined according to the indication signaling of the base station, or the sequence index i and the cyclic shift amount

Is determined according to the indication signaling of the base station.

Specific Example 3

은 참조 신호를 송신하는데 사용되는 심볼에 직접 매핑된다. 또한, 상기 시퀀스

및 시퀀스

은 시퀀스 세트

중의 시퀀스이며, 여기서 시퀀스

은 다음 수학식을 만족한다:6 is a schematic diagram of information transmission according to Specific Embodiment 3 of the present invention; As shown in Figure 6, uplink information is transmitted in 4 symbols, that is, K=4, where the first symbol is used to transmit a reference signal, and the next 3 symbols are used to transmit uplink information . The uplink information is mapped to a symbol used to transmit the uplink information after going through operations such as encoding, modulation, and pre-coding. sequence

is directly mapped to a symbol used to transmit a reference signal. Also, the sequence

and sequence

silver sequence set

is a sequence of , where the sequence

satisfies the following equation:

은 사전 결정된 매개 변수이며, i와

의 값은 표 1/2/3/6/7/9에 표시된 것과 같거나 표 1/2/3/6/7/9 중 각 행의 순환 쉬프트와 같다.where i is the sequence index,

is a predetermined parameter, i and

The value of is equal to that shown in Table 1/2/3/6/7/9 or the cyclic shift of each row in Table 1/2/3/6/7/9.

Specific Example 4

은 참조 신호를 송신하는데 사용되는 심볼에 직접 매핑된다. 또한, 상기 시퀀스

및 시퀀스

은 시퀀스 세트

중의 시퀀스이며, 여기서 시퀀스

은 다음 수학식을 만족한다:7 is a schematic diagram of information transmission according to Specific Embodiment 4 of the present invention; As shown in Fig. 7, uplink information is transmitted in 4 symbols, namely K = 4, where the first symbol is used to transmit a reference signal, and the next 3 symbols are used to transmit uplink information . Here, the uplink information is transmitted in a comb method, that is, the uplink information is loaded only on odd-numbered or even-numbered subcarriers in allocated frequency domain resources. In addition, the uplink information is mapped to a symbol used to transmit the uplink information after going through operations such as encoding, modulation, and precoding. sequence

is directly mapped to a symbol used to transmit a reference signal. Also, the sequence

and sequence

silver sequence set

is a sequence of , where the sequence

satisfies the following equation:

은 사전 결정된 매개 변수이며, i와

의 값은 표 1/2/3/6/7/9에 표시된 것과 같거나 표 1/2/3/6/7/9 중 각 행의 순환 쉬프트와 같다.where i is the sequence index,

is a predetermined parameter, i and

The value of is equal to that shown in Table 1/2/3/6/7/9 or the cyclic shift of each row in Table 1/2/3/6/7/9.

The terminal selects a sequence (corresponding to the value of i in the table) in any one of Tables 1/2/3/6/7/9 according to frequency domain resources occupied by uplink information to be transmitted. decide what to do for example,

If it is determined that uplink information to be transmitted occupies 6 subcarriers in the frequency domain, the terminal selects and transmits any one sequence in any one of Tables 1/2/3 (corresponding to the value of i in the table);

If it is determined that the uplink information to be transmitted occupies 12 subcarriers in the frequency domain, the terminal selects and transmits any sequence in Table 6 (corresponding to the value of i in the table);

If it is determined that the uplink information to be transmitted occupies 18 subcarriers in the frequency domain, the terminal selects and transmits any sequence in Table 7 (corresponding to the value of i in the table);

If it is determined that the uplink information to be transmitted occupies 24 subcarriers in the frequency domain, the terminal selects and transmits any sequence in Table 9 (corresponding to the value of i in the table);

는 상기 기지국의 지시 시그널링에 따라 결정되거나, 또는 시퀀스 인덱스 i와 순환 쉬프트량

는 상기 기지국의 지시 시그널링에 따라 결정된다.Here, the sequence index i is determined according to the cell identifier, and the cyclic shift amount

Is determined according to the indication signaling of the base station, or the sequence index i and the cyclic shift amount

Is determined according to the indication signaling of the base station.

Here, the cubic metric (CM) of a sequence is calculated according to one of the following formulas:

이고,

이며,here,

ego,

is,

The peak to average power ratio of a sequence is calculated according to the formula:

Here, mean indicates obtaining an average value.

The cross-correlation of two sequences is calculated according to one of the following methods:

Method 1: xcorr_coeffs = abs(NFFT * IFFT(seq1 .* conj(seq2), NFFT) / length(seq1))

Method 2: xcorr_coeffs = abs( sum( (seq1 .* conj(seq2) ) ) / length(seq1)

where NFFT denotes the number of points of the (I)FFT operation, conj denotes conjugation, length denotes the length, seq1 and seq2 are two sequences in the frequency domain, abs denotes the absolute value, sum stands for summation.

In the case of Method 2, different cyclic shifts of any one sequence of Table 1/2/3/6/7/9 and different cyclic shifts of any other sequence of Table 1/2/3/6/7/9 The correlation value of should be calculated.

For Table 1 (M=6), it has the properties as shown in Table 11:

CM PAPR cross correlation Max (maximum value) 1.1653 Max 3.7544 Max 0.9310 Mean (average) 1.0245 Mean 3.1855 Mean 0.3628 Min (minimum value) 0.9303 Min 2.3861 Min 0

For Table 2 (M=6), it has the properties as shown in Table 12:

CM PAPR cross correlation Max 2.5264 Max 5.2288 Max 0.7454 Mean 1.9800 Mean 4.4883 Mean 0.3675 Min 1.1653 Min 3.5138 Min 0

For Table 3 (M=6), it has the properties as shown in Table 13:

CM PAPR cross correlation Cross-correlation with Table 4 Max 2.5575 Max 4.9699 Max 0.7920 Max 0.9311 Mean 1.7709 Mean 4.4789 Mean 0.3679 Mean 0.3646 Min 1.0212 Min 3.7544 Min 0 Min 0

For Table 6 (M=12), it has the properties as shown in Table 14:

CM PAPR cross correlation Cross-correlation with Table 4 Max 0.6759 Max 2.7956 Max 0.7384 Max 0.8232 Mean 0.5250 Mean 2.6594 Mean 0.2560 Mean 0.2558 Min 0.2307 Min 2.4060 Min 0 Min 0

For Table 7 (M=18), it has the properties as shown in Table 15:

CM PAPR cross correlation Cross-correlation with Table 8 Max 0.5999 Max 2.8984 Max 0.5978 Max 0.6983 Mean 0.4862 Mean 2.7953 Mean 0.2098 Mean 0.2091 Min 0.2279 Min 2.5335 Min 0 Min 0

For Table 9 (M=24), it has the same properties as shown in Table 16:

CM PAPR cross correlation Cross-correlation with Table 10 Max 06399 Max 3.3967 Max 0.5487 Max 0.6128 Mean 0.5650 Mean 3.1721 Mean 0.1815 Mean 0.1808 Min 0.3961 Min 2.2799 Min 0 Min 0

Here, CM is calculated and obtained by the second CM calculation formula, and cross-correlation is obtained by the first cross-correlation calculation formula, where N_FFT=32M and M is the sequence length.

Using a sequence in the table or a subset thereof as a reference signal or direct uplink information has the advantages of a small cubic metric and high power amplifier efficiency, especially when the sequence indices adopted by neighboring cells are different, reducing inter-cell interference and improving system efficiency. It has the effect of improving overall performance.

Example 4

An embodiment of the present invention further provides a storage medium containing a stored program, wherein any one of the above methods is executed when the program is executed.

Step S1, determining uplink information and/or reference signals to be transmitted;

Step S2, transmit uplink information and/or a reference signal to a communication node through a first sequence.

In some embodiments, in this embodiment, the storage medium is a U disk, a read-only memory (ROM), a random access memory (RAM), a mobile hard disk, a magnetic disk or an optical disk, etc. It may include various media capable of storing program codes, but is not limited thereto.

According to an embodiment of the present invention, there is further provided a processor for executing a program, wherein steps in any one of the above methods are executed when the program is executed.

In some embodiments, in this embodiment, the program is used to perform the following steps:

Step S1, determining uplink information and/or reference signals to be transmitted;

Step S2, transmit uplink information and/or a reference signal to a communication node through a first sequence.

In some embodiments, specific examples of this embodiment may refer to the examples described among the above embodiments and optional embodiments, and this embodiment is not repeated herein.

It is obvious to those skilled in the art that each module or each step of the present invention described above may be implemented by a general-purpose computing device, and they may be centralized in a single computing device or distributed in a network composed of a plurality of computing devices. will be. In some embodiments, they may be embodied in program code executable by a computing device, so that they may be stored on a storage device and executed by the computing device, and in some circumstances, the steps shown or described may not be described herein. may be performed in a different order than the above, or they may be each made of separate integrated circuit modules, or may be implemented by making multiple modules or steps of them into a single integrated circuit module. As such, the present invention is not limited to any particular combination of hardware and software.

The foregoing is only a preferred embodiment of the present invention, but is not intended to limit the present invention, and those skilled in the art will understand that various changes and changes are possible from this. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall also be included in the protection scope of the present invention.

Claims (24)

determining uplink information and/or reference signals to be transmitted;
transmitting the uplink information and/or the reference signal to a communication node through a first sequence; including,
The first sequence is a subset of a set of sequences of length M, wherein the set of sequences includes a plurality of sequences and a cyclic shift of the sequences, and any sequence of the set of sequences

is the following equation:

is displayed as
i is the sequence index and n = 0,1,...,M-1,
When M=18,

is an information transmission method comprising at least one of the following sequences:
Sequence 1 = {-1, 3, -1, -3, 3, 1, -3, -1, 3, -3, -1, -1, 1, 1, 1, -1, -1, -1 },
Sequence 2 = {3, -3, 3, -1, 1, 3, -3, -1, -3, -3, -1, -3, 3, 1, -1, 3, -3, 3} ,
Sequence 3 = {1, 1, -1, -1, -3, -1, 1, -3, -3, -3, 1, -3, -1, -1, 1, -1, 3, 1 },
Sequence 4 = {3, -3, 1, 1, 3, -1, 1, -1, -1, -3, 1, 1, -1, 3, 3, -3, 3, -1},
Sequence 5 = {1, 1, -3, 3, 3, 1, 3, -3, 3, -1, 1, 1, -1, 1, -3, -3, -1, 3},
Sequence 6 = {3, -1, 3, 1, -3, -3, -1, 1, -3, -3, 3, 3, 3, 1, 3, -3, 3, -3},
Sequence 7 = {-3, -1, -3, -3, 1, 1, -1, -3, -1, -3, -1, -1, 3, 3, -1, 3, 1, 3 },
Sequence 8 = {1, 1, -3, -3, -3, -3, 1, 3, -3, 3, 3, 1, -3, -1, 3, -1, -3, 1},
Sequence 9 = {3, 1, -3, 1, -3, 3, 3, -1, -3, -3, -1, -3, -3, 3, -3, -1, 1, 3} ,
Sequence 10 = {3, 3, 3, -3, -1, -3, -1, 3, -1, 1, -1, -3, 1, -3, -3, -1, 3, 3} ,
Sequence 11 = {-3, 1, 1, -3, 1, 1, 3, -3, -1, -3, -1, 3, -3, 3, -1, -1, -1, -3 },
Sequence 12 = {1, -3, -1, -3, 3, 3, -1, -3, 1, -3, -3, -1, -3, -1, 1, 3, 3, 3} ,
Sequence 13 = {3, -1, -3, 1, -3, -3, -3, 3, 3, -1, 1, -3, -1, 3, 1, 1, 3, 3},
Sequence 14 = {3, -1, -1, 1, -3, -1, -3, -1, -3, -3, -1, -3, 1, 1, 1, -3, -3, 3}, and
Sequence 15 = {-1, -3, 1, -3, -3, -3, 1, 1, 3, 3, -3, 3, 3, -3, -1, 3, -3, 1}. According to claim 1,
wherein the uplink information includes at least one of uplink control information and uplink data information. According to claim 1,
the cyclic shift of the sequence

is represented by the following equation:

where α is the cyclic shift amount, and the value is

is,
Here, the sequence index i is determined according to the cell identifier, and the cyclic shift amount α is determined according to the indication signaling of the communication node; or,
The information transmission method characterized in that the sequence index i and the cyclic shift amount α are determined according to indication signaling of the communication node. a decision module for determining uplink information and/or reference signals to be transmitted; and
a transmission module for transmitting the uplink information and/or the reference signal to a communication node through a first sequence; including,
The first sequence is a subset of a set of sequences of length M, wherein the set of sequences includes a plurality of sequences and a cyclic shift of the sequences, and any sequence of the set of sequences

is the following equation:

is displayed as
i is the sequence index and n = 0,1,...,M-1,
When M=18,

is an information transmission device including at least one of the following sequences:
Sequence 1 = {-1, 3, -1, -3, 3, 1, -3, -1, 3, -3, -1, -1, 1, 1, 1, -1, -1, -1 },
Sequence 2 = {3, -3, 3, -1, 1, 3, -3, -1, -3, -3, -1, -3, 3, 1, -1, 3, -3, 3} ,
Sequence 3 = {1, 1, -1, -1, -3, -1, 1, -3, -3, -3, 1, -3, -1, -1, 1, -1, 3, 1 },
Sequence 4 = {3, -3, 1, 1, 3, -1, 1, -1, -1, -3, 1, 1, -1, 3, 3, -3, 3, -1},
Sequence 5 = {1, 1, -3, 3, 3, 1, 3, -3, 3, -1, 1, 1, -1, 1, -3, -3, -1, 3},
Sequence 6 = {3, -1, 3, 1, -3, -3, -1, 1, -3, -3, 3, 3, 3, 1, 3, -3, 3, -3},
Sequence 7 = {-3, -1, -3, -3, 1, 1, -1, -3, -1, -3, -1, -1, 3, 3, -1, 3, 1, 3 },
Sequence 8 = {1, 1, -3, -3, -3, -3, 1, 3, -3, 3, 3, 1, -3, -1, 3, -1, -3, 1},
Sequence 9 = {3, 1, -3, 1, -3, 3, 3, -1, -3, -3, -1, -3, -3, 3, -3, -1, 1, 3} ,
Sequence 10 = {3, 3, 3, -3, -1, -3, -1, 3, -1, 1, -1, -3, 1, -3, -3, -1, 3, 3} ,
Sequence 11 = {-3, 1, 1, -3, 1, 1, 3, -3, -1, -3, -1, 3, -3, 3, -1, -1, -1, -3 },
Sequence 12 = {1, -3, -1, -3, 3, 3, -1, -3, 1, -3, -3, -1, -3, -1, 1, 3, 3, 3} ,
Sequence 13 = {3, -1, -3, 1, -3, -3, -3, 3, 3, -1, 1, -3, -1, 3, 1, 1, 3, 3},
Sequence 14 = {3, -1, -1, 1, -3, -1, -3, -1, -3, -3, -1, -3, 1, 1, 1, -3, -3, 3}, and
Sequence 15 = {-1, -3, 1, -3, -3, -3, 1, 1, 3, 3, -3, 3, 3, -3, -1, 3, -3, 1}. In the storage medium containing the stored program,
A storage medium characterized in that the method according to claim 1 is executed when the program is executed. delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete delete

Images